// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ui/native_theme/native_theme_mac.h"

#include "base/mac/mac_util.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace ui {

// Test to ensure any system colors that are looked up by name exist on all Mac
// platforms Chrome supports, and that their colorspace and component count is
// sane.
TEST(NativeThemeMacTest, SystemColorsExist)
{
    NativeTheme* native_theme = NativeThemeMac::instance();
    ASSERT_TRUE(native_theme);
    for (int i = 0; i < NativeTheme::kColorId_NumColors; ++i) {
        // While 0 is a valid color, no system color should be fully transparent.
        // This is also to probe for CHECKs.
        EXPECT_NE(
            static_cast<SkColor>(0),
            native_theme->GetSystemColor(static_cast<NativeTheme::ColorId>(i)))
            << "GetSystemColor() unexpectedly gave a fully transparent color.";
    }
}

// Spot-check some system colours that can't be changed through System
// Preferences.
TEST(NativeThemeMacTest, SystemColorSpotChecks)
{
    NativeTheme* native_theme = NativeThemeMac::instance();
    const SkColor kWindowColorCatsMavericks = SkColorSetARGB(255, 232, 232, 232);
    const SkColor kWindowColorYosemite = SkColorSetARGB(255, 236, 236, 236);
    SkColor dialogColor = native_theme->GetSystemColor(NativeTheme::kColorId_WindowBackground);
    if (base::mac::IsOSYosemiteOrLater())
        EXPECT_EQ(dialogColor, kWindowColorYosemite);
    else
        EXPECT_EQ(dialogColor, kWindowColorCatsMavericks);
}

} // namespace ui
